Perhaps you should try some spelling variations:
"specimens philological slavicae" » "specimina philologica slavicae", "specimen histological slavicae", "specimen pathological slavicae", "specimens philologica slavica", "specimens philological satirical", "specimens philological critical"
"specimens philological polemical" » "specimina philologica polemical", "specimen histological polemical", "specimen pathological polemical", "specimens philological philomedical", "specimens philosophical political", "specimens philological critical"
"specimens philologiae slavicae" » "specimina philologiae slavicae", "specimen philosophiae slavicae", "specimina philologica slavicae", "specimens philologica slavica", "specimens philologie slave"
"specimen philologica slavicae" » "specimina philologica slavicae", "specimen histological slavicae", "specimen pathological slavicae", "specimen philologica slavica", "specimen philologie slave", "specimen philologica sive"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"specimen philologica slavicae\") OR (((\"specimens philologiae slavicae\") OR (((\"specimens philological slavicae\") OR (\"specimens philological polemical\"))))))".
• Removing quotes may allow a broader search: (( specimen philologica slavicae ) OR ((( specimens philologiae slavicae ) OR ((( specimens philological slavicae ) OR ( specimens philological polemical )))))).
• Adding a wildcard symbol may retrieve word variants: (("specimen philologica slavicae") OR ((("specimens philologiae slavicae") OR ((("specimens philological slavicae") OR ("specimens philological polemical"))))))*.